One problem related to warnings has been reported for the 2005 Porsche Cayenne. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Porsche Cayenne based on all problems reported for the 2005 Cayenne.
The transmission has quite a bit of slop or play when placing it in park. I do not believe it could be parked safely in a residential driveway. Tranny knocks a little in low gears.